Big trouble with cron - high systemload and not working jobs

[Andrew Bacchi]

It could be one of many reasons, as others have already mentioned.  I would
download and run chkrootkit.  I suspect you've been rooted and there's an
invisible entry in your crontab.  Don't ask me how I know.

Good luck.

> -----Original Message-----
> From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com]
> On Behalf Of Götz Reinicke
> Sent: Thursday, January 18, 2007 2:37 AM
> To: General Red Hat Linux discussion list
> Subject: Big trouble with cron - high systemload and not working jobs
> 
> Hi,
> 
> we do have some big problems with one of our RHEL3 (running the latest
> updates) Servers.
> 
> Since last week the systemload increases within two or three days up to
> 60! and no cronjobs are done anymore, they hang.
> 
> The jobs are the usual systemjobs (make-whatis, updatedb for slocate)
> and our backupscript which worked fine for the last two years.
> 
> Furthormore some servises hang, e.g. NetAtalk (appletalk fileservises),
> ssh login and local login. For example Samba still works fine.
> 
> If I reboot the server, all jobs will be killed and for one or two days
> the load is not above 1 and all servises are fine, crond ass well.
> 
> Restarting or killing the crond and the cronjobs fail too.
> 
> Any troubleshooting hints? googling didn't helped so far and there are
> no usable logmessages :-(
> 
> 
> Thanks a lot and best regards
> 
> Götz Reinicke
> --
> Götz Reinicke
> IT Koordinator
> 
> Tel. +49 7141 969 420
> Fax  +49 7141 969 55 420
> mailto:goetz.reinicke at filmakademie.de
> 
> Filmakademie Baden-Württemberg
> Mathildenstr. 20
> 71638 Ludwigsburg
> http://www.filmakademie.de/
> 
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